Home / 26,588.76-39,875.86-7,863.20

Finding the Fourth Proportional to 26,588.76, 39,875.86 and 7,863.20

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Solution

The fourth proportional to 26,588.76, 39,875.86 and 7,863.20 is: 11,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,588.76 : 39,875.86 = 7,863.20 : x
  2. Step 2: Convert to fraction form
    26,588.76/39,875.86 = 7,863.20/x
  3. Step 3: Cross multiply
    26,588.76x = 39,875.86 × 7,863.20
  4. Step 4: Simplify right side
    26,588.76x = 313,551,862.35
  5. Step 5: Solve for x
    x = 313,551,862.35/26,588.76
  6. Step 6: Final answer
    x = 11,792.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.